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Zhang Heng

Frae Wikipedia, the free beuk o knawledge
Zhang Heng
A stamp o Zhang Heng issued bi China Post in 1955
Native name張衡
BornAD 78
Nanyang, Cheenae
Dee'dAD 139 (aged 60–61)
Luoyang, Cheenae
Kent forSeismometer, hydraulic-powered armillary sphere, pi calculation, poetry, universe model, lunar eclipse an solar eclipse theory
Scientific career
FieldsAstronomy, mathematics, seismology, hydraulics, geografie, ethnografie, mechanical ingineerin, calendrical science, metapheesics, poetry
Zhang Heng
"Zhang Heng" in Tradeetional (tap) an Semplifee'd (bottom) Cheenese chairacters
Traditional Chinese張衡
Simplified Chinese张衡

Zhang Heng (Cheenese: ; AD 78–139), umwhile romanised as Chang Heng, wis a Han Cheenese polymath frae Nanyang that bed in the Han dynasty.